This is the V8 side of the implementation. You can take a look at a
prototype of the Chrome side changes in https://crrev.com/c/1273043.
Chrome could also use V8's default implementation of the trap handler,
see https://crrev.com/c/1290952.

Bug: v8:6743
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I9bb3e717db17a4f30bbb8acfd80a1f6510d463ff
Reviewed-on: https://chromium-review.googlesource.com/c/1283111
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57117}